Storage unit



FIG. 1 is a perspective view from above of a storage unit in accordance with our design;

FIG. 2 is a front elevational view corresponding to FIG. 1;

FIG. 3 is an elevational view from the right in FIG. 1;

FIG. 4 is an elevational view from the left in FIG. 1;

FIG. 5 is a rear elevational view corresponding to FIG. 1;

FIG. 6 is a top plan view corresponding to FIG. 1; and,

FIG. 7 is a bottom plan view corresponding to FIG. 1. 

The ornamental design for a storage unit, as shown. 